`ChangeStreamPublisher` may lose change events when retrying `getMore`

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    • Type: Bug
    • Resolution: Fixed
    • Priority: Major - P3
    • 4.3.0
    • Affects Version/s: 3.11.0
    • Component/s: Change Streams
    • None
    • None
    • Fully Compatible
    • Not Needed
    • None
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      This bug description is a result of investigating JAVA-4155. The code

      cursor.next(callback);
cachePostBatchResumeToken(cursor);

      cursor.tryNext(callback);
cachePostBatchResumeToken(cursor);

      in AsyncChangeStreamBatchCursor.java results in having a race condition: resumeToken may not yet be known when retrying the next/tryNext operation.

            Assignee:
            Valentin Kavalenka
            Reporter:
            Valentin Kavalenka
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              Created:
              Updated:
              Resolved: